Add test for verifying that event is pre-accepted for event filtering

Change-Id: I718bbc8dd617b52e0150a3c29cf34323383c620b
Task-number: QTBUG-62631
Reviewed-by: Shawn Rutledge <shawn.rutledge@qt.io>

1 files changed, 16 insertions, 0 deletions

diff --git a/tests/auto/quick/qquickwindow/tst_qquickwindow.cpp b/tests/auto/quick/qquickwindow/tst_qquickwindow.cpp
index d4b505a74a..2d03849981 100644
--- a/tests/auto/quick/qquickwindow/tst_qquickwindow.cpp
+++ b/tests/auto/quick/qquickwindow/tst_qquickwindow.cpp
@@ -3037,6 +3037,7 @@ public:
         , m_eventAccepts(true)
         , m_filterReturns(true)
         , m_filterAccepts(true)
+        , m_filterNotPreAccepted(false)
     {
         QSizeF psize(parent->width(), parent->height());
         psize -= QSizeF(20, 20);
@@ -3048,6 +3049,14 @@ public:
     void setFilterReturns(bool filterReturns) { m_filterReturns = filterReturns; }
     void setFilterAccepts(bool accepts) { m_filterAccepts = accepts; }
     void setEventAccepts(bool accepts) { m_eventAccepts = accepts; }
+
+    /*!
+     * \internal
+     *
+     * returns false if any of the calls to childMouseEventFilter had the wrong
+     * preconditions. If all calls had the expected precondition, returns true.
+     */
+    bool testFilterPreConditions() const { return !m_filterNotPreAccepted; }
     static QVector<DeliveryRecord> &deliveryList() { return m_deliveryList; }
     static QSet<QEvent::Type> &includedEventTypes()
     {
@@ -3063,6 +3072,8 @@ protected:
         appendEvent(this, i, e);
         switch (e->type()) {
         case QEvent::MouseButtonPress:
+            if (!e->isAccepted())
+                m_filterNotPreAccepted = true;
             e->setAccepted(m_filterAccepts);
             // qCDebug(lcTests) << objectName() << i->objectName();
             return m_filterReturns;
@@ -3102,6 +3113,7 @@ private:
     bool m_eventAccepts;
     bool m_filterReturns;
     bool m_filterAccepts;
+    bool m_filterNotPreAccepted;
 
     // list of (filtering-parent . receiver) pairs
     static DeliveryRecordVector m_expectedDeliveryList;
@@ -3340,6 +3352,10 @@ void tst_qquickwindow::testChildMouseEventFilter()
         QCOMPARE(actualNames.toString(), expectedNames.toString());
     }
 
+    for (EventItem *item : r) {
+        QVERIFY(item->testFilterPreConditions());
+    }
+
     // "restore" mouse state
     QTest::mouseRelease(&window, Qt::LeftButton, 0, mousePos);
 }